[Coco] I got another coco2 today. A couple of questions.

[Boisy G. Pitre]

Mark,

I think that was a factory hack.  I've seen this exact thing on other CoCo 2s of the same model number and vintage.

Best Regards,
Boisy G. Pitre
http://www.tee-boy.com/

On Jul 20, 2011, at 11:24 AM, Mark Ormond wrote:

> It's a 26-3134a model with a 20261044 motherboard.
> 
> It's currently at 16k, with socketed 4416 chips. I have 4464's, so is it just a matter of replacing the chips and then jumpering j6?
> 
> Also there is a weird piggy back chip on ic 13 (a 74ls02) that has a jumper wire routed from a eclk test point near the cpu and then it has jumper wires going to the 74ls138 located at ic16. Was this there from the factory?
> 
> later,
> dabone
> 
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